Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
vat dung » van dung, viet dung, mat duong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap
va dung » van dung, va duong, va ung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - thanh trung ((vat dung) or (va dung)) cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh trung ((vat dung) OR (va dung)) cong dan than cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh trung ((vat dung) or (va dung)) cong dan than cao*.